SPRS292 − OCTOBER 2005

MECHANICAL DATA

package thermal resistance characteristics

The following tables show the thermal resistance characteristics for the GDP and ZDP mechanical packages.

thermal resistance characteristics (S-PBGA package) for GDP

NO

 

 

 

°C/W

Air Flow (m/s)

 

 

 

Two Signals, Two Planes (4-Layer Board)

 

 

 

 

 

 

1

RΘJC

Junction-to-case

 

9.7

N/A

2

PsiJT

Junction-to-package top

 

1.5

0.0

3

RΘJB

Junction-to-board

 

19

N/A

4

RΘJA

Junction-to-free air

 

22

0.0

5

RΘJA

Junction-to-free air

 

21

0.5

6

RΘJA

Junction-to-free air

 

20

1.0

7

RΘJA

Junction-to-free air

 

19

2.0

8

RΘJA

Junction-to-free air

 

18

4.0

9

PsiJB

Junction-to-board

 

16

0.0

m/s = meters per second

thermal resistance characteristics (S-PBGA package) for ZDP

NO

 

 

 

°C/W

Air Flow (m/s)

 

 

 

Two Signals, Two Planes (4-Layer Board)

 

 

 

 

 

 

1

RΘJC

Junction-to-case

 

9.7

N/A

2

PsiJT

Junction-to-package top

 

1.5

0.0

3

RΘJB

Junction-to-board

 

19

N/A

4

RΘJA

Junction-to-free air

 

22

0.0

5

RΘJA

Junction-to-free air

 

21

0.5

6

RΘJA

Junction-to-free air

 

20

1.0

7

RΘJA

Junction-to-free air

 

19

2.0

8

RΘJA

Junction-to-free air

 

18

4.0

9

PsiJB

Junction-to-board

 

16

0.0

m/s = meters per second

packaging information

The following packaging information and addendum reflect the most current released data available for the designated device(s). This data is subject to change without notice and without revision of this document.

POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

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Motorola TMS320C6711D warranty Mechanical Data, Package thermal resistance characteristics, Packaging information